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Finding the Third Proportional to 403,834 and 881,018

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Solution

The third proportional to 403,834 and 881,018 is: 1,922,058.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,834 : 881,018 = 881,018 : x
  2. Step 2: Convert to fraction form
    403,834/881,018 = 881,018/x
  3. Step 3: Cross multiply
    403,834x = 881,018 × 881,018
  4. Step 4: Simplify right side
    403,834x = 776,192,716,324
  5. Step 5: Solve for x
    x = 776,192,716,324/403,834
  6. Step 6: Final answer
    x = 1,922,058.86

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Why These Related Problems?

These problems maintain the same ratio (2.18) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.